Question

Given that Force 1 = 50 pounds and Force = 2 = 90 pounds, find the angle beween the forces if the magnitude of the resultant force is 80 pounds. Round answer to the nearest degree.

Answer 1

Do you know the following?

Resultant^2 = |A|^2 + |B|^2 + 2|A||B|cos(theta)

Answer 2

Tried that and did not get an answer choice

Answer 3

I had 117.8deg